Bulls/Cavs Lauri and Jazz Lauri are not the same player. Lauri signed that extension with the Cavs I think, and he had a partial guarantee on the last year of his contract (this year.) His ppgs went up by 10 and he shot even better. I think Lauri being so good actually put the Jazz in a weird situation, where they couldn't bottom out by trading Gobert and Mitc .
If Reid became the number one option, what would it look like? I think not good. So he plays a really good role for a good team now. I think Reid with Wemby would work really well and he will command a big contract in 2 seasons time. But, as I said, you trade for Reid, you are still looking at a number 2 player for the team. You trade for Lauri, you are looking for role players to fill out the roster.